1634645003325 has 48 divisors (see below), whose sum is σ = 2768806285056. Its totient is φ = 850462259200.

The previous prime is 1634645003227. The next prime is 1634645003333. The reversal of 1634645003325 is 5233005464361.

It is not a de Polignac number, because 1634645003325 - 2¹⁶ = 1634644937789 is a prime.

It is a super-2 number, since 2×1634645003325² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41360524 + ... + 41400026.

It is an arithmetic number, because the mean of its divisors is an integer number (57683464272).

Almost surely, 2^{1634645003325} is an apocalyptic number.

1634645003325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1634645003325 is a deficient number, since it is larger than the sum of its proper divisors (1134161281731).

1634645003325 is a wasteful number, since it uses less digits than its factorization.

1634645003325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53014 (or 53009 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 1634645003325 in words is "one trillion, six hundred thirty-four billion, six hundred forty-five million, three thousand, three hundred twenty-five".